What to Sow in London in April

The seeds to sow now in London — timed to the region's frost dates (mid April last spring frost, early November first autumn frost), not just the UK average.

Gardening in London Sow in May →

London sowing season: roughly April to September. April is the start of the season here — start many of these under cover or cloches while frosts are still likely.

What to Sow in London in April

🌱 Sow in April (82 plants)

Allium (Allium hollandicum)

Autumn Sage (Salvia greggii)

Avens (Geum)

Beardtongue (Penstemon)

Beet (Beta vulgaris)

Black Iris (Iris chrysographes)

Blue Garlic (Allium caesium)

Borage (Borago officinalis)

Broad Bean (Vicia faba)

Bukhara Iris (Iris bucharica)

Bulb Onion (Allium cepa)

Butterfly-Bush (Buddleja davidii)

Candelabra Sage (Salvia candelabrum)

Carmena's Pincushion Cactus (Mammillaria carmenae)

Carrot (Daucus carota subsp. sativus)

Chenille Plant (Echeveria leucotricha)

Chives (Allium schoenoprasum)

Common Bent (Agrostis capillaris)

Common Bird's-Foot-Trefoil (Lotus corniculatus)

Common Dog-Violet (Viola riviniana)

Common Mint (Mentha spicata)

Common Teasel (Dipsacus fullonum)

Common Thyme (Thymus vulgaris)

Cootamundra Wattle (Acacia baileyana)

Coriander (Coriandrum sativum)

Cornflower (Centaurea cyanus)

Courgette (Cucurbita pepo)

Dill (Anethum graveolens)

European Larch (Larix decidua)

Field Maple (Acer campestre)

Florence Fennel (Foeniculum vulgare)

Foxglove (Digitalis purpurea)

Garden Cosmos (Cosmos bipinnatus)

Gold Lace Cactus (Mammillaria elongata)

Great Basil (Ocimum basilicum)

Heather (Calluna vulgaris)

Hollyhock (Alcea rosea)

Lau's Echeveria (Echeveria laui)

Lemon Balm (Melissa officinalis)

Lettuce (Lactuca sativa)

Lipstick (Echeveria agavoides)

Marigolds (Tagetes)

Mexican-Giant (Echeveria colorata)

Mexican Pincushion Cactus (Mammillaria magnimamma)

Mexican Snowball (Echeveria elegans)

Michaelmas Daisy (Symphyotrichum novi-belgii)

Mint (Mentha)

Nasturtium (Tropaeolum majus)

Old Lady Cactus (Mammillaria hahniana)

Orchid Iris (Iris histrioides)

Oregano (Origanum vulgare)

Oven Wattle (Acacia pravissima)

Petunia (Petunia x hybrida)

Pink Lily Leek (Allium oreophilum)

Polyanthus Primrose 'Charisma' (Primula Charisma Series)

Poppy (Papaver)

Pot Marigold (Calendula officinalis)

Powderpuff Cactus (Mammillaria bocasana)

Pumpkin (Cucurbita maxima)

Radish (Raphanus sativus)

Red Campion (Silene dioica)

Red Clover (Trifolium pratense)

Rudbeckia (Rudbeckia fulgida)

Runner Bean (Phaseolus coccineus)

Sage (Salvia officinalis)

Salvia (Salvia nemorosa)

Silken Pincushion Cactus (Mammillaria bombycina)

Small-Leaved Lime (Tilia cordata)

Small Yellow Onion (Allium flavum)

Star Of Persia (Allium cristophii)

Strawberry (Fragaria × ananassa)

Sunflower (Helianthus annuus)

Sweet Pea (Lathyrus odoratus)

Tarragon (Artemisia dracunculus)

Tropical Sage (Salvia coccinea)

Twin-Spined Cactus (Mammillaria geminispina)

Verbena (Verbena bonariensis)

White Clover (Trifolium repens)